The indicator used in the titration of NaOH+HCI is Phenolphthalein or Methyl orange.
The indicator used in the titration of H2SO4+NH4OH is BromocresoI.green.
The indicator used in the titration of CH3COOH+NH4OH is Phenol red
The indicator used in the titration of KOH+H2SO4 is Phenolphthalein or Phenol red or Methyl orange.